Piotnet Addons for Elementor Pro Plugin up to 7.1.70 on WordPress pafe_ajax_form_builder File unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, has been found in Piotnet Addons for Elementor Pro Plugin up to 7.1.70 on WordPress. Impacted is the function pafe_ajax_form_builder. The manipulation of the argument File leads to unrestricted upload. This vulnerability is traded as CVE-2026-4885. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Piotnet Addons for Elementor Pro Plugin up to 7.1.70 on WordPress. It has been rated as critical. This issue affects the function pafe_ajax_form_builder. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Piotnet Addons for Elementor Pro plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'pafe_ajax_form_builder' function in all versions up to, and including, 7.1.70. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, and exe extensions, while allowing dangerous extensions such as .phar or .phtml to be uploaded. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The exploit can only be exploited if a file field is added to the form.

The weakness was shared by Wannes Verwimp. The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2026-4885 since 03/26/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/19/2026). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• Piotnet

Name

• Addons for Elementor Pro Plugin

Version

• 7.1.0
• 7.1.1
• 7.1.2
• 7.1.3
• 7.1.4
• 7.1.5
• 7.1.6
• 7.1.7
• 7.1.8
• 7.1.9
• 7.1.10
• 7.1.11
• 7.1.12
• 7.1.13
• 7.1.14
• 7.1.15
• 7.1.16
• 7.1.17
• 7.1.18
• 7.1.19
• 7.1.20
• 7.1.21
• 7.1.22
• 7.1.23
• 7.1.24
• 7.1.25
• 7.1.26
• 7.1.27
• 7.1.28
• 7.1.29
• 7.1.30
• 7.1.31
• 7.1.32
• 7.1.33
• 7.1.34
• 7.1.35
• 7.1.36
• 7.1.37
• 7.1.38
• 7.1.39
• 7.1.40
• 7.1.41
• 7.1.42
• 7.1.43
• 7.1.44
• 7.1.45
• 7.1.46
• 7.1.47
• 7.1.48
• 7.1.49
• 7.1.50
• 7.1.51
• 7.1.52
• 7.1.53
• 7.1.54
• 7.1.55
• 7.1.56
• 7.1.57
• 7.1.58
• 7.1.59
• 7.1.60
• 7.1.61
• 7.1.62
• 7.1.63
• 7.1.64
• 7.1.65
• 7.1.66
• 7.1.67
• 7.1.68
• 7.1.69
• 7.1.70

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